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Opal Ethiopia
Opal Ethiopia

Pollucite
Pollucite



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Opal Ethiopia
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Pollucite

Opal Ethiopia and Pollucite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

-99992.86-2.94
1 7.18
👆🏻

Fracture

-
Conchoidal, Uneven

Cleavage

None
None observed

Mohs Hardness

5.5-6.56.5-7
2 10
👆🏻

Chemical Composition

SiO2*nH2O
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Opal Ethiopia and Pollucite Chemical Formula

While comparing Opal Ethiopia and Pollucite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Opal Ethiopia and Pollucite chemical formula.

  • Chemical formula of Opal Ethiopia- SiO2*nH2O
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Opal Ethiopia and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal Ethiopia and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal Ethiopia and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Opal Ethiopia is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.